Subgenus AEGASTEROCERAS | |
Kingdom / Phylum . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . Superfamily / Family . . . . . . Subfamily / Genus . . . . . . . . |
Animalia / Mollusca Cephalopoda / Ammonoidea / n.a. n.a. / Ammonoidea / Ammonitida Ammonitina / n.a. Psiloceratoidea / Asteroceratidae n.a. / Aegasteroceras |
Age: Distribution: |
Early Jurassic North America, Europe |
Depicted on:Chad, 2022 (M.S. 1, fossil) |